Field notes
Buffer time: the invisible KPI killing your orders
The time between "order ready" and "courier picks it up" is the KPI nobody monitors — and the one that hits quality the hardest. Here is how we instrumented it for Dodo Pizza with Spark Streaming + Delta Lake, and the 4 mistakes we made before doing it right.
Engineering
Stacks, arquitecturas y trade-offs reales. Sin marketing.
SIRE SUNAT January 2026: complete guide for SMBs on Odoo
Mandatory adoption of the Integrated Electronic Records System (SIRE) starts January 2026. What it means for SMBs already on Odoo, what to migrate, what to validate.
CFDI Carta Porte 3.x in Mexico: when it actually applies
SAT keeps tightening Carta Porte. Who must issue it, who can skip it, what the most common rejections are — and how to wire it into Odoo without breaking your invoicing flow.
Verdict: 60 Odoo implementations in LATAM and what they all got wrong
I've audited 60 Odoo implementations across Peru, Mexico, Colombia, and Argentina. The same 8 mistakes repeat in every project. Here's the pattern — and the one fix nobody does.
Monotributo recategorization in Argentina: what ARCA actually checks
ARCA changed how it audits Monotributo since 2025. The old "I'll just declare the same income" trick stopped working. Here's what to validate in your books before recategorization day.
Colombia electronic payroll: DIAN deductibility rules in 2026
DIAN tightened the rules: payroll expenses are deductible only if the electronic payroll document is properly issued and accepted. Misses cost 35% in income tax.